With a population of around 18,900, Stonegate sits in California, United States. The city operates in the Pacific Time Zone.
In 2025, Stonegate recorded an average annual temperature of 65°F — right at the 30-year normal of 65°F. The hottest day reached 100°F in May; the coldest was 41°F in March. Total precipitation was 18 inches (wetter than usual). The wettest month was November.
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